Line casting machine



Aug. 13, 1935. c. w. CURLE ,2

LINE CASTING MACHINE Filed Jan. 29, 1934 4 Sheets-Sheet .1

IN V EN TOR.

D. LU. CURLE BY Aug. 13, 1935. c w CURLE 2,011,212

LINE CASTING MACHINE Filed Jan. 29, 1934 4 Sheets-Sheet 2 w \1 I \N@ 1/ m IN V EN TOR.

A 3, 1935. c. w. CURLE LINE CASTING MACHINE Filed Jan. 29, 1934 4 Sheets-Sheet 3 INVENTOR.

l3. LU. CURLE A TTORNEY Aug. 13, 1935. c. w. CURLE LINE CASTING MACHINE Filed Jan. 29, 1934 4 Sheets-Sheet 4 INVENTOR.

c. LU. EURLE BY CaLAQAW ATTORNEY economical to manufacture and install upon pres- This inve'ntionrelates to improvements in line casting machines, and has particular reference to the mechanism employed for finally trimming the cast lines. to exact thicknesses. 1 l

a device'which will trim the cast lines so 'as to may be assembled into columns and lockedinto Another object is to produce adevice which is ent day-equipment.

vi-vrorrigiv. l H *Figl VII is a front elevationbf the" stationary l A still further object is to "produce a device a of i this character which-eliminates the customary trimming knivesof a line casting machine. Otherobjects and advantages will be apparent during the course of the following descriptions I In the accompanying drawings forming apart ofthis specification and in which like numerals are employed to" designate 1 like parts throughout 'Fig'. I is a frontplan view of my device as the same would appear when attached to the ordinary knife block-supporter a line casting machine; l l

Fig. II is a side elevationof Fig. I.

"Fig. III is a cross sectional view on" the line man of Fig'l and on'anenlarged scales *Fig; IV is a cross-sectional' vieworrlthe" line IV -IV ofFig. -I and on an enlarged scale."

'Figi V isa' top'plan view-of the cutter head carrying slide on the same scale as Fig; I. Fig. VI isacross-sectionalview on the line slug guide showing the back trimming knife attached thereto,- and understood, however,

FigI VIII'isa top plan view of Fig! v11.

l As is well understood i" machines ofthis class, a line of type is cast from-an assembled line of intaglio' matrices, and in some cases blank lines are cast to separate the type lines from each other, and 'so-p'roduce spaces between the lines. In

either-case, the lines or slugs-as they arecalled,

are cast in a mold which has numerousgrooves cutcro'sswiseof its length, whichgrooves therefore produce on the slug ribs or ridges. These ribs are subsequently operated upon by shearing knives so mounted on the machine that whenthe; slug is forced between them the knives remove the surplus metal and reduce the slug to the required thickness. 'These knives are usuallysepaf rableand adjustable to permit slugs of varying thicknesses to be trimmed on both sides;it being! that the ribs'or ridges'are cast upononly one side of the slug, the opposite UN ED ST S PATE T OFFICE LINE CASTING MAOHINE 'CharlesW. CurIe, San Francisco, Calif Application Janna, 1934, seriaijnofiosnvs '13 Claims. (o1.i19 9-59 ever, is rarely close enough to prevent a slight leakage of the molten metal, and this results in a slightxbur-r being formed parallel with the face make the surface of the slug smoothand even on thatside.

larger type faces, the position of the trimming knives must be likewise and correspondingly altered to trim-the ribs or ridges on the slugs to make the lines of accurate thickness and also parallel from top to base and from end toe'nd. This requires frequent alterations of the trimming knives in these line casting machines which occur in practice manytimes every day, and -has led to scores of inventions to move the knives and" maintain their. parallelism, but up to thetime of the present invention, none has proven absolutely accurate and reliable. I l

' My invention contemplates the entire removal of the sidetrimming knives of such line casting machinesandthe substitution thereof of a rotary trimmer, or -trimmers,'to operate on the cast-ribs of a* linotype or other slug in such'a manner as will produce a finished slug accurate from end to end and topto bottom. This desirable result is obtained inmy invention by the new and novel manner in which the slug is presented to the trimmers; i. e., endwise, that is, in the line of its longest dimensions, instead of in the former manner; which was from face to foot, in the line of its shortest dimension. As a consequence, the slug is positively held and controlled throughout the entire trimming operation, resulting in a perfect- Obviously, I might employ trimming mechanism other than rotary cutters, or might sub-.

stitute parallel knives for trimming both back:

and front sides without, departing from the spirit or scope of my invention. Wherever in the claims or specifications, I use the term trimmers or either or b'othrotary or stationary. The essen-" m1 "feature in either case is that the slug be side 5 of theslug being cast relatively smooth.- The joint between the matrices and mold, howof theslug,- which it is necessary to remove'to As adjustments of the mold are madeto producethicker slugs to accommodate knives, I: desire it to be understood to mean mechanism embodying means for resiliently clamping the moving slug, fixed means for trimmeans for exerting pressure upon ming one side thereof, and rotatable means for trimming the opposite side thereof as it is moved through the machine.

2. In a device of the class described, in combination with a line casting machine, of slug trimming mechanism therefor adapted to alternately trim both sides of a slug as it is fed through said mechanism, means for moving said slug, and means for resiliently clamping the same during the trimming operation.

3. In a device of the class described, in combination with a line casting machine, a slug trimming mechanism therefor, means for moving a slug through said mechanism, trimming means arranged on opposite sides of said slug adapted to alternately surface both sides thereof, and the slug as it is moved therethrough.

4. In a device of the class described, in combination with a line casting machine, of a trimming mechanism cooperating therewith and embodying a channel through which the slug is moved, trimmers arranged in said channel to alternately operate on opposite sides of the slug, presser means for exerting pressure against the moving slug, means for moving said slug through said channel, and means for adjusting the cutting depth of one of said trimmers.

5. In a device of the class described, in combination with a line casting machine, of trimming mechanism cooperating therewith and adapted to receive the cast slug therefrom, said trimming mechanism embodying a channel or trackway, means for tilting the slug into said trackway, means for gripping and moving the slug through said trackway, trimmers arranged in opposite sides of said trackway and adapted to alternately trim both sides of the slug as it is moved along, one of said trimmers being fixed and the other being adjustable relative to the slug, and presser means for exerting pressure against said slug during the trimming operation.

6. Means for trimming slugs as received from a line casting machine comprising, a trimming mechanism cooperating therewith and positioned to receive the slugs therefrom, said means embodying means for resiliently gripping the slugs,

I trimmer means for alternately surfacing both gripping the slugs,

mer arranged on the opposite side, spring pressers arranged on one side of said trackway to engage the slugs as they pass by the trimmers, said rotary trimmer including a spring plunger adapted to engage said slugs, and means associated with said mechanism for moving said slugs through said trackway and past said trimmers.

9. Means for trimming slugs as received from a line casting machine comprising, a trimming mechanism cooperatively associated therewith and positioned to receive the slugs therefrom, said mechanism embodying a trackway having a trimmer arranged on one side and a rotary trimmer arranged on the opposite side, spring pressers arranged on one side of said trackway to engage the slugs as they pass by the trimmers, and said rotary trimmer including a spring plunger adapted to engage said slugs, means associated with said mechanism for moving said slugs through said trackway and past said trimmers, and means for rotating said'rotary cutter.

10. Means for trimming slugs as received from a line casting machine comprising, a trackway including a fixed guide and an adjustable guide, gauging means cooperating with said adjustable guide for adjusting the same relative to said fixed guide, a trimmer carried by said fixed guide, and

a rotary trimmer associated with said adjustable tact between said guides during the trimming operation.

11. Means for trimming slugs as received from a line casting machine comprising, a trackway including a fixed guide and an adjustable guide, gauging means associated with said adjustable guide and embodying a fixed threaded element and a threaded gauge drum, means urging said adjustable guide against said gauge drum, a trimmer carried by said fixed guide and a rotary trimmer associated with said adjustable guide, and spring presser elements carried by said rotary trimmer, whereby said rotary trimmer and said adjustable guide may be adjusted to frictionally contact and hold the moving slugs as they are passed between said fixed and said rotary trimmers.

12. Means for trimming slugs fed thereto from a. line casting machine comprising, a trackway for receiving said slugs, means for moving said slugs endwise throughout said trackway, trimmers arranged on opposite sides of said trackway, one of said trimmers being fixed and the other being adjustable relative to the slug, said adjustable trimmer embodying a rotary head, and presser means carried by said adjustable trimmer and adapted to frictionally engage the moving slugs during the trimming operation.

13. Means for trimming slugs fed thereto from a line casting machine comprising, a trackway for receiving said slugs, means for moving said slugs endwise throughout said trackway, trimmers arranged on opposite sides of said trackway, one of said trimmers being fixed and the other being adjustable relative to the slug.

CHARLES W. CURLE. 

